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Model Predictive Control of the Flotation Process
By Donald Leroux, Martin Suichies, Andy Trusiak, Chris Dechert
"In modem concentrators, the operation of flotation machines is often stabilized by simple control loops. Froth level, slurry density and aeration rate are all physical parameters typically controlled
Jan 1, 1999
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Performance of Large Low- and High-Aspect Ratio SAG Mills at Gold Fields’ Ghanaian and Australian Mines
By Michael I. Brittan, Craig M. Sams
"Economies of scale and the variable characteristics of many large ore deposits have resulted in grinding installations using very large SAG mills fitted with variable speed drives. Low-aspectratio si
Jan 1, 2006
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Rubber Liners in the Service of Large Diameter Ball Mill at Hudbay, Constancia Mine, Peru
By Manuel Sanchez, Marcial Medina, Matt Hurley, Hugo Granados, Pramod Kumar, Raj Rajamani, Jose A. Delgadillo
"Large-diameter ball mills have traditionally used steel liners—steel being a highly durable material that can be shaped into any desired geometry, among which the double-wave has been the preferred d
Jan 1, 2017
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New Circuits for the Treatment of Fine Grained Zinc/Lead Ore at the Sullivan Concentrator (6bee0d7e-0e76-4074-a289-b60e63163849)
By R. S. Simkus, J. R. Egan
"Changes have recently been applied to the Sullivan Concentrator lead and zinc circuits to treat fine-grained ores which make-up the majority of ore reserves in the mine. Pilot plant test work conduct
Jan 1, 1994
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A Geometallurgical Approach of the Copper-Nickel-Platinum Group Elements Maturi Deposit, Minnesota, USA, Using Quantitative Mineralogy
By Charles Knilans, Tassos Grammatikopoulos, Nicole Hoffmann
"Twin Metals Minnesota LLC, (TMM) has recently completed a prefeasibility study evaluating the development and operation of an underground copper (Cu), nickel (Ni), platinum (Pt), palladium (Pd), and
Jan 1, 2015
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World’s Largest 28 MW AG Mills, Largest Shop Trial, One Piece Delivery & Installation (26e1b765-3ec1-447d-8206-6ab79dbb100f)
By Rajiv Kalra, Ji Jiangang
"This paper reviews the following aspects of the world’s largest manufactured Grinding Mill’s in terms of diameter and power, along with the world’s biggest shop assembly and trial run of the mills de
Jan 1, 2012
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Effect of Grinding Operation on Product Morphology in Stirred Mills
By Bern Klein, Randy Blaskovich, Reem Roufail
"Morphology is a tool that is rarely used for mineral breakage mechanism evaluation. Ground particles are typically assessed for their size distribution. They are also visually analyzed using image an
Jan 1, 2011
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Tailings Disposal Area Development at Inco Sudbury Operations
By J. P. Van Cruyningen, M. J. Puro
"A 2400 acre extension to the existing Tailings Area is under development at Inco's Copper Cliff Milling operations.The new area is being developed in stages as production levels dictate thus minimizi
Jan 1, 1987
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Application of 3D X-ray CT Scanning Techniques to Evaluate Fracture Damage Zone in Anisotropic Granitic Rock
By M. H. B. Nasseri
Barre granite?s samples have been tested for fracture toughness under mode I along two different directions with respect to microstructural fabrics were investigated. 3D objects counter algorithm tech
May 1, 2009
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World?s Largest 28 MW AG Mills, Largest Shop Trial, One Piece Delivery & Installation
By Rajiv Kalra
This paper reviews the following aspects of the world?s largest manufactured Grinding Mill?s in terms of diameter and power, along with the world?s biggest shop assembly and trial run of the mills del
Jan 1, 2012
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Troubleshooting Flotation Cell Operation Using Gas Velocity Measurements
By Donald Leroux, Ralph Dahlke, Dave Scott, Finch. James A., Cesar O. Gomez
"The efficiency of the flotation process depends on how effectively air is dispersed into small bubbles. Bubble surface area flux - the surface area of bubbles per unit time per unit cross-section are
Jan 1, 2001
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Converting the Key Lake Mill Process for McArthur River Ore
"The Key Lake mill was commissioned in 1983 to process the two Key Lake ore deposits. With the depletion of these ore bodies in 1999, the plant was converted to mill the exceptionally rich McArthur Ri
Jan 1, 2001
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Electrodeposition and Characterization of Fe-Mo-P Coatings as Electrocatalysts for Hydrogen Evolution during Chlorate Production
By E. Ghali, N. Sorour, G. Houlachi
"The binary Fe53Mo47 and ternary Fe54Mo30P16 coatings have been electrodeposited from citrate-based electrolyte on mild steel (MS) substrates. The electrodeposition has been conducted for 6 hours at 2
Jan 1, 2016
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ERG Tailings Retreatment Project
"INTRODUCTIONGold tailings retreatment plants have been operated for many years throughout the world. Several large tailings retreatment facilities have been operated profitably in South Africa since
Jan 1, 1989
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Paracatu Gold Mine - Successful Processing of a Large Low-Grade Ore Body
By Wayne Phillips, Anatalia Silva, Robert Henderson, Tondo. Luis
"Kinross’ Paracatu Mine has 20 years of operational success as one of the lowest grade milloperated gold mines in the world. At year end 2005, Paracatu’s Proven and Probable Reserves were 1.18 billion
Jan 1, 2007
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Intelligence for Grouting Balance
By J. A. López-Molina, S. García, V. Castellanos-Pedroza
"Grouting aims to reduce the permeability of rock mass below a predetermined value and has been widely used in rock engineering field for a long time. However, the injection procedure needs several em
Jan 1, 2015
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The Key Tuffite, Matagami mining district: Origin of the tuff components and mass changes
By W. H. MacLean, S. Liaghat
Abstract- The Key Tuffite is a thick (0.3 m to 6 m) and laterally extensive (-10 km) cherty, sulfide-bearing tuff unit in Archean greenstones in the Matagami mining district in northwestern Quebec. It
Jan 1, 1992
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The Key Tuffite, Matagami mining district: Origin of the tuff components and mass changes (568c7be9-97ae-4fc3-a50f-c9dd9f0ac7aa)
By W. H. MacLean, S. Liaghat
The Key Tuffite is a thick (0.3 m to 6 m) and laterally extensive (-10 km) cherty, sulfide-bearing tuff unit in Archean greenstones in the Matagami mining district in northwestern Quebec. It lies at t
Jan 1, 1992
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World’s First Power Demand Stabilization System for A 3-Electrode Electric Arc Furnace for Shielded Arc Nickel Smelting
By B. Lueger, D. Shen, M. Sedighy, R. Rand, R. Saleh, J. Cheung, M. Rifai, I. Khan, W. Sauri, D. Setianto
The world’s first active power demand stabilization system for a 3-electrode electric arc smelting furnace was commissioned at PT Vale Indonesia in December 2012 on Furnace No. 2 using an SPLC (Smart
Jan 1, 2014
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CANMET-MMSL Alternative Binder Technology
By A. Pratt
Portland cement is primarily used to solidify backfill in underground mine workings and it represents a major cost in mining operations. CANMET-MMSL has invented an alternative binder technology that
May 1, 2010